CVE-2026-24027
CVE-2026-24027 is a medium-severity vulnerability in Powerdns Recursor with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-294.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 0% (32nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-6902
- Weakness: CWE-294
- Affected product: Powerdns Recursor
- Published:
- Last modified:
Description
Crafted zones can lead to increased incoming network traffic.
Frequently asked questions
- What is CVE-2026-24027?
- Crafted zones can lead to increased incoming network traffic.
- How severe is CVE-2026-24027?
- CVE-2026-24027 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2026-24027 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-24027?
- CVE-2026-24027 affects Powerdns Recursor. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-24027?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-24027 have an EU (EUVD) identifier?
- Yes. CVE-2026-24027 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6902.
- When was CVE-2026-24027 published?
- CVE-2026-24027 was published on 2026-02-09 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*
More vulnerabilities in Powerdns Recursor
- CVE-2009-4009 — Critical (CVSS 10.0): Buffer overflow in PowerDNS Recursor before 3.1.7.2 allows remote attackers to cause a denial of service (daemon crash)…
- CVE-2020-10030 — High (CVSS 8.8): An issue has been found in PowerDNS Recursor 4.1.0 up to and including 4.3.0. It allows an attacker (with enough…
- CVE-2025-59023 — High (CVSS 8.2): Crafted delegations or IP fragments can poison cached delegations in Recursor.
- CVE-2019-3806 — High (CVSS 8.1): An issue has been found in PowerDNS Recursor versions after 4.1.3 before 4.1.9 where Lua hooks are not properly applied…
- CVE-2015-5470 — High (CVSS 7.8): The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth)…
- CVE-2015-1868 — High (CVSS 7.8): The label decompression functionality in PowerDNS Recursor 3.5.x, 3.6.x before 3.6.3, and 3.7.x before 3.7.2 and…
All CVEs affecting Powerdns Recursor →
Other CWE-294 (Authentication Bypass by Capture-replay) vulnerabilities
- CVE-2025-49752 — Critical (CVSS 10.0): Azure Bastion Elevation of Privilege Vulnerability
- CVE-2026-11856 — Critical (CVSS 9.8): Successfully using libcurl to do a transfer to a specific HTTP origin (`hostA`) with **Digest** authentication and then…
- CVE-2026-32987 — Critical (CVSS 9.8): OpenClaw before 2026.3.13 allows bootstrap setup codes to be replayed during device pairing verification in…
- CVE-2025-67135 — Critical (CVSS 9.8): Weak Security in the PF-50 1.2 keyfob of PGST PG107 Alarm System 1.25.05.hf allows attackers to compromise access…
- CVE-2025-65552 — Critical (CVSS 9.8): D3D Wi-Fi Home Security System ZX-G12 v2.1.1 is vulnerable to RF replay attacks on the 433 MHz sensor communication…
- CVE-2024-38438 — Critical (CVSS 9.8): D-Link - CWE-294: Authentication Bypass by Capture-replay
Browse all CWE-294 (Authentication Bypass by Capture-replay) vulnerabilities →